EverFocus EDR1620 Instruction Manual page 16

VIDEO IN
For EDR1640/1620 Series:
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VIDEO OUT(1~16): BNC connectors for video looping out 1~16.
VIDEO IN(1~16): BNC connectors for video input 1~16 .
Alarm Input/Output
Alarm Input
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ALM-INPUT: Normal open or normal close type alarm signal inputs.
The Alarm Input can be selected as normal open (N.O.) or normal close (N.C.) input
in the ALARM SETUP MENU. When an alarm occurs, alarm recording will
automatically start.
ALM-OUTPUT: A build-in relay offers 3 nodes which are ALM-COM (common), ALM-NO
(normal open) and ALM-NC (normal close) for external use.
Note: Please check APPENDIX C to see other available alarm input/output functions.
LAN
LAN Connector: The RJ-45 LAN connector.
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RS232
RS232 connector: Connect D-Sub 9 pins connector to RS232 ports for remote control.
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RS485
9 RS485 connector: RJ 45 Connector to Cascade multi Digital Video Recorder.
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